We analyze the correlation and spectral properties of two-photon states resonantly transmitted by a nonlinear optical microcavity. We trace the correlation properties of transmitted two-photon states to the decay spectrum of multiphoton resonances in the nonlinear microcavity.
DOI:https://doi.org/10.1103/PhysRevA.90.033845
©2014 American Physical Society
Two-photon transmission across a nonlinear resonator junction in an optical circuit. Top: Schematic of an optical cavity resonator connecting two waveguides. Bottom: Contour plot of spectral function characterizing spectral properties of transmitted two-photon states, as a function of frequencies of the outgoing photons and of the incident monochromatic photons, for and nonlinear coupling . The single-photon transmission peak is indicated by the black line at ; maxima of at and are traced using the white dashed lines.
Reuse & PermissionsReflection , transmission , and transmission-reflection amplitudes of two-photon states in various parametric regimes. (a) Nonlinear cavity with and . Frequency dependence of two-photon amplitudes at for (i) a monochromatic incident wave, (ii) an uncorrelated initial pair of photons, and (iii) a correlated Gaussian initial state (see Table 1). (b) Same as (a), but for . (c) Transmission by a linear cavity .
Reuse & PermissionsGeneration of few-photon states in a nonlinear resonator excited by a classical field. (a) Spectral function (normalized to its maximum value) for a cavity excited by a classical field source for . Dots represent the results of numerical calculations, and the solid line represents a fit to the spectral density described by Eq. (5). (b) Few-photon correlation function for two-, three-, and four-photon states emitted to the right waveguide by a nonlinear optical resonator excited by a classical field arriving from the left waveguide.
Reuse & Permissions
